Derating Factors As A Function Of The Ambient Temperature - Siemens Sinamics S120 Manual

Liquid-cooled chassis power units

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Derating factors as a function of the ambient temperature

The units can supply 100 % output current at an ambient air temperature of between 0 °C

and 45 °C. The maximum output current decreases linearly to 90 % at ambient air

temperatures of between 45 °C and 50 °C.

Liquid-cooled chassis power units

Manual, (GH7), 11/2016, 6SL3097-4AM00-0BP7

Maximum current as a function of ambient temperature

Line Modules

5.3 Active Line Modules

Simanics s120